DL 348 then DL 1329 at Atlanta
Phoenix → Atlanta → Philadelphia
Timetable, Atlanta time
17:15DL 348 from Phoenix at the gate
16:34DL 1329 to Philadelphia leaves the gate
23 h 19 apart on the timetable, overnight
DL 1329 leaves 23 h 19 after DL 348 arrives on the timetable: more than half a day, so not a connection we count.